package com.itheima.listStudentServlet;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;

@WebServlet("/login")
public class LoginStudent extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        req.setCharacterEncoding("utf-8");
        String username = req.getParameter("username");
        String password = req.getParameter("password");
        HttpSession session = req.getSession();
        if ("abc".equals(username) && "123".equals(password)) {
            session.setAttribute("username", username);
            resp.sendRedirect("/stu/index.jsp");
        } else {
//            resp.setContentType("text/html;charset=utf-8");
//            resp.getWriter().write("密码错误，2秒后跳转到登录界面");
//            resp.setHeader("refresh","2;URL=/index.jsp");
            session.setAttribute("err", "输入有误");
            resp.sendRedirect("/stu/index.jsp");
        }
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doGet(req, resp);
    }
}
